diff --git a/bower.json b/bower.json
index e7d619ad30..9297c1a475 100644
--- a/bower.json
+++ b/bower.json
@@ -15,7 +15,7 @@
     "jquery-ui": "components/jqueryui#~1.10",
     "marked": "~0.3",
     "MathJax": "components/MathJax#~2.6",
-    "moment": "~2.8.4",
+    "moment": "~2.19.3",
     "preact": "https://unpkg.com/preact@^7.2.0/dist/preact.min.js",
     "preact-compat": "https://unpkg.com/preact-compat@^3.14.3/dist/preact-compat.min.js",
     "proptypes": "https://unpkg.com/proptypes@^0.14.4/index.js",